Oilfield frac pump



FIG. 1 is a top left perspective view of an oilfield frac pump that embodies the ornamental design;

FIG. 2 is a front elevation view of the oilfield frac pump;

FIG. 3 is a rear elevation view of the oilfield frac pump;

FIG. 4 is a right side elevation view of the oilfield frac pump;

FIG. 5 is a left side elevation view of the oilfield frac pump;

FIG. 6 is a top plan view of the oilfield frac pump; and,

FIG. 7 is a bottom plan view of the oilfield frac pump.

The broken lines show portions of an oilfield frac pump that form no part of the claimed design. 

CLAIM The ornamental design for an oilfield frac pump, as shown and described. 